Re: Memory card block device

On Saturday 07 February 2004 06:50, DCGrendel wrote:
> David Remahl wrote:
> > Has any work, or thought, been put into creating a driver for the
> > GameCube memory cards? I ordered a cheap 64 MB memory card, so that
> > could be a very convenient source of a reasonable amount of persistent
> > storage.
> >
> > I have no experience of writing neither block device drivers, nor MTD
> > drivers for Linux, so I'm unsure of what the best route is. If someone
> > knows better, I'd love to listen and do the work.
> >
> > There isn't that much to read about the memory card in the R.E. spec,
> > but as far as I can discern (with my limited driver and hardware
> > hacking knowledge) there aren't any gaping holes there. It should be
> > "a simple matter of programming", right?
>
> I belive the kernel MTD stuff has support for SPI flash, so you would
> just need to add a driver there for the EXI dma/pio stuffs, which is
> quite simple. referencing the us patent #6609977 should provide you with
> most of the info, as would referencing the gclib sources, though i don't
> remember what license the gclib sources are under...
> adding a gc memcard fs should also be possible using the gclib sources,
> or re-reverse engineering the fs.

i would suggest using the gclib source as reference (its gpl) ... any
questions that might arise should be answered in the docs i have written...
(that patent is kinda pain to read, and doesnt really contain more info)

gpz



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